Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >
In the United States new 30-year normals are calculated every ten years. The most recent normals (using 1991-2020 data) are listed below, along with the previous set of normals (from 1981-2010), and the difference between the two normals packages. Click on the images to see larger versions.
Or, click here to see comparisons between the new normals and the previous (1981-2010) set of normals in graphical format for local cities (BWG, FFT, LEX, SDF, LOU).
TEMPERATURE
| ANNUAL | ||||||||
| 1991-2020 | Difference Between Old and New | 1981-2010 | ||||||
| Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum |
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| SEASONAL | |||||||||
| 1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
| Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
| Spring |  |
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| Summer |  |
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| Autumn |  |
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| Winter |  |
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| MONTHLY | |||||||||
| 1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
| Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
| January |  |
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| February |  |
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| March |  |
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| April |  |
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| May |  |
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| June |  |
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| July |  |
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| August |  |
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| September |  |
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| October |  |
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| November |  |
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| December |  |
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PRECIPITATION
| ANNUAL | |||
| Difference Between Old and New | |||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 |
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| SEASONAL | ||||
| Difference Between Old and New | ||||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
| Spring |  |
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| Summer |  |
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| Autumn |  |
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| Winter |  |
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| MONTHLY | ||||
| Difference Between Old and New | ||||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
| January |  |
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| February |  |
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| March |  |
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| April |  |
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| May |  |
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| June |  |
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| July |  |
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| August |  |
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| September |  |
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| October |  |
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| November |  |
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| December |  |
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DEW POINT
The following maps are from the PRISM Climate Group at Oregon State University
| January | February | March | April |
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| May | June | July | August |
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| September | October | November | December |
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